The answer is B "My friends cheered as I scored the winning goal"
Here is the definition of a first person narrative to better explain why B is the answer
A first-person narrative is a mode of storytelling in which a narrator relays events from their own point of view using the first person i.e. "I" or "we", etc. It may be narrated by a first person protagonist, first person re-teller, first person witness, or first person peripheral.